Playing with Fire: Skulduggery Pleasant Series, Book 2

Meet Skulduggery Pleasant Ace Detective - Snappy Dresser, Razor–tongued Wit, Crackerjack Sorcerer and Walking, Talking, Fire-throwing Skeleton - as well as ally, protector, and mentor of Stephanie Edgley, a very unusual and darkly talented twelve-year-old. These two alone must defeat an all-consuming ancient evil. The end of the world? Over his dead body.